1555119

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 20

約数和(自身を含む): 2363856

約数和(自身を除く): 808737

約数列:

[1, 3, 9, 27, 73, 81, 219, 263, 657, 789, 1971, 2367, 5913, 7101, 19199, 21303, 57597, 172791, 518373, 1555119]

約数ペア:

[(1, 1555119), (3, 518373), (9, 172791), (27, 57597), (73, 21303), (81, 19199), (219, 7101), (263, 5913), (657, 2367), (789, 1971)]